Home / 10,455,442.80-15,683,164.20-4,786,738.80

Finding the Fourth Proportional to 10,455,442.80, 15,683,164.20 and 4,786,738.80

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Solution

The fourth proportional to 10,455,442.80, 15,683,164.20 and 4,786,738.80 is: 7,180,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,442.80 : 15,683,164.20 = 4,786,738.80 : x
  2. Step 2: Convert to fraction form
    10,455,442.80/15,683,164.20 = 4,786,738.80/x
  3. Step 3: Cross multiply
    10,455,442.80x = 15,683,164.20 × 4,786,738.80
  4. Step 4: Simplify right side
    10,455,442.80x = 75,071,210,582,910.95
  5. Step 5: Solve for x
    x = 75,071,210,582,910.95/10,455,442.80
  6. Step 6: Final answer
    x = 7,180,108.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.